NO304858B1 - Deteksjon av stemme-aktivitet - Google Patents
Deteksjon av stemme-aktivitet Download PDFInfo
- Publication number
- NO304858B1 NO304858B1 NO903936A NO903936A NO304858B1 NO 304858 B1 NO304858 B1 NO 304858B1 NO 903936 A NO903936 A NO 903936A NO 903936 A NO903936 A NO 903936A NO 304858 B1 NO304858 B1 NO 304858B1
- Authority
- NO
- Norway
- Prior art keywords
- signal
- speech
- coefficients
- filter
- measure
- Prior art date
Links
- 230000000694 effects Effects 0.000 title claims description 27
- 238000001514 detection method Methods 0.000 title description 9
- 238000001228 spectrum Methods 0.000 claims description 30
- 230000003595 spectral effect Effects 0.000 claims description 24
- 239000000872 buffer Substances 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000013598 vector Substances 0.000 description 12
- 230000014509 gene expression Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 101000822695 Clostridium perfringens (strain 13 / Type A) Small, acid-soluble spore protein C1 Proteins 0.000 description 1
- 101000655262 Clostridium perfringens (strain 13 / Type A) Small, acid-soluble spore protein C2 Proteins 0.000 description 1
- 101000655256 Paraclostridium bifermentans Small, acid-soluble spore protein alpha Proteins 0.000 description 1
- 101000655264 Paraclostridium bifermentans Small, acid-soluble spore protein beta Proteins 0.000 description 1
- 206010036086 Polymenorrhoea Diseases 0.000 description 1
- 101710096660 Probable acetoacetate decarboxylase 2 Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000013139 quantization Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
- G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Telephonic Communication Services (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB888805795A GB8805795D0 (en) | 1988-03-11 | 1988-03-11 | Voice activity detector |
| GB888813346A GB8813346D0 (en) | 1988-06-06 | 1988-06-06 | Voice activity detection |
| GB888820105A GB8820105D0 (en) | 1988-08-24 | 1988-08-24 | Voice activity detection |
| PCT/GB1989/000247 WO1989008910A1 (en) | 1988-03-11 | 1989-03-10 | Voice activity detection |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO903936D0 NO903936D0 (no) | 1990-09-10 |
| NO903936L NO903936L (no) | 1990-11-09 |
| NO304858B1 true NO304858B1 (no) | 1999-02-22 |
Family
ID=27263821
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO903936A NO304858B1 (no) | 1988-03-11 | 1990-09-10 | Deteksjon av stemme-aktivitet |
| NO982568A NO316610B1 (no) | 1988-03-11 | 1998-06-04 | Deteksjon av stemme-aktivitet |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO982568A NO316610B1 (no) | 1988-03-11 | 1998-06-04 | Deteksjon av stemme-aktivitet |
Country Status (16)
| Country | Link |
|---|---|
| EP (2) | EP0548054B1 (pt) |
| JP (2) | JP3321156B2 (pt) |
| KR (1) | KR0161258B1 (pt) |
| AU (1) | AU608432B2 (pt) |
| BR (1) | BR8907308A (pt) |
| CA (1) | CA1335003C (pt) |
| DE (2) | DE68929442T2 (pt) |
| DK (1) | DK175478B1 (pt) |
| ES (2) | ES2188588T3 (pt) |
| FI (2) | FI110726B (pt) |
| HK (1) | HK135896A (pt) |
| IE (1) | IE61863B1 (pt) |
| NO (2) | NO304858B1 (pt) |
| NZ (1) | NZ228290A (pt) |
| PT (1) | PT89978B (pt) |
| WO (1) | WO1989008910A1 (pt) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2643593B2 (ja) * | 1989-11-28 | 1997-08-20 | 日本電気株式会社 | 音声・モデム信号識別回路 |
| CA2040025A1 (en) * | 1990-04-09 | 1991-10-10 | Hideki Satoh | Speech detection apparatus with influence of input level and noise reduced |
| US5241692A (en) * | 1991-02-19 | 1993-08-31 | Motorola, Inc. | Interference reduction system for a speech recognition device |
| FR2697101B1 (fr) * | 1992-10-21 | 1994-11-25 | Sextant Avionique | Procédé de détection de la parole. |
| SE470577B (sv) * | 1993-01-29 | 1994-09-19 | Ericsson Telefon Ab L M | Förfarande och anordning för kodning och/eller avkodning av bakgrundsljud |
| JPH06332492A (ja) * | 1993-05-19 | 1994-12-02 | Matsushita Electric Ind Co Ltd | 音声検出方法および検出装置 |
| SE501305C2 (sv) * | 1993-05-26 | 1995-01-09 | Ericsson Telefon Ab L M | Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler |
| EP0633658A3 (en) * | 1993-07-06 | 1996-01-17 | Hughes Aircraft Co | Automatic gain control circuit coupled to the transmission and activated by speech. |
| IN184794B (pt) * | 1993-09-14 | 2000-09-30 | British Telecomm | |
| SE501981C2 (sv) * | 1993-11-02 | 1995-07-03 | Ericsson Telefon Ab L M | Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler |
| US5742734A (en) * | 1994-08-10 | 1998-04-21 | Qualcomm Incorporated | Encoding rate selection in a variable rate vocoder |
| FR2727236B1 (fr) * | 1994-11-22 | 1996-12-27 | Alcatel Mobile Comm France | Detection d'activite vocale |
| GB2317084B (en) * | 1995-04-28 | 2000-01-19 | Northern Telecom Ltd | Methods and apparatus for distinguishing speech intervals from noise intervals in audio signals |
| GB2306010A (en) * | 1995-10-04 | 1997-04-23 | Univ Wales Medicine | A method of classifying signals |
| FR2739995B1 (fr) * | 1995-10-13 | 1997-12-12 | Massaloux Dominique | Procede et dispositif de creation d'un bruit de confort dans un systeme de transmission numerique de parole |
| US5794199A (en) * | 1996-01-29 | 1998-08-11 | Texas Instruments Incorporated | Method and system for improved discontinuous speech transmission |
| DE69716266T2 (de) | 1996-07-03 | 2003-06-12 | British Telecommunications P.L.C., London | Sprachaktivitätsdetektor |
| US6618701B2 (en) | 1999-04-19 | 2003-09-09 | Motorola, Inc. | Method and system for noise suppression using external voice activity detection |
| DE10052626A1 (de) * | 2000-10-24 | 2002-05-02 | Alcatel Sa | Adaptiver Geräuschpegelschätzer |
| CN1617606A (zh) * | 2003-11-12 | 2005-05-18 | 皇家飞利浦电子股份有限公司 | 一种在语音信道传输非语音数据的方法及装置 |
| US7155388B2 (en) * | 2004-06-30 | 2006-12-26 | Motorola, Inc. | Method and apparatus for characterizing inhalation noise and calculating parameters based on the characterization |
| US7139701B2 (en) * | 2004-06-30 | 2006-11-21 | Motorola, Inc. | Method for detecting and attenuating inhalation noise in a communication system |
| FI20045315A (fi) * | 2004-08-30 | 2006-03-01 | Nokia Corp | Ääniaktiivisuuden havaitseminen äänisignaalissa |
| US8708702B2 (en) * | 2004-09-16 | 2014-04-29 | Lena Foundation | Systems and methods for learning using contextual feedback |
| US8775168B2 (en) | 2006-08-10 | 2014-07-08 | Stmicroelectronics Asia Pacific Pte, Ltd. | Yule walker based low-complexity voice activity detector in noise suppression systems |
| US8175871B2 (en) | 2007-09-28 | 2012-05-08 | Qualcomm Incorporated | Apparatus and method of noise and echo reduction in multiple microphone audio systems |
| US8954324B2 (en) | 2007-09-28 | 2015-02-10 | Qualcomm Incorporated | Multiple microphone voice activity detector |
| US8223988B2 (en) | 2008-01-29 | 2012-07-17 | Qualcomm Incorporated | Enhanced blind source separation algorithm for highly correlated mixtures |
| US8275136B2 (en) | 2008-04-25 | 2012-09-25 | Nokia Corporation | Electronic device speech enhancement |
| US8244528B2 (en) | 2008-04-25 | 2012-08-14 | Nokia Corporation | Method and apparatus for voice activity determination |
| US8611556B2 (en) | 2008-04-25 | 2013-12-17 | Nokia Corporation | Calibrating multiple microphones |
| ES2371619B1 (es) * | 2009-10-08 | 2012-08-08 | Telefónica, S.A. | Procedimiento de detección de segmentos de voz. |
| EP2491549A4 (en) | 2009-10-19 | 2013-10-30 | Ericsson Telefon Ab L M | DETECTOR AND METHOD FOR DETECTING VOICE ACTIVITY |
| CN108985277B (zh) * | 2018-08-24 | 2020-11-10 | 广东石油化工学院 | 一种功率信号中背景噪声滤除方法及系统 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3509281A (en) * | 1966-09-29 | 1970-04-28 | Ibm | Voicing detection system |
| US4052568A (en) * | 1976-04-23 | 1977-10-04 | Communications Satellite Corporation | Digital voice switch |
| US4358738A (en) * | 1976-06-07 | 1982-11-09 | Kahn Leonard R | Signal presence determination method for use in a contaminated medium |
| JPS5636246A (en) * | 1979-08-31 | 1981-04-09 | Nec Corp | Stereo signal demodulating circuit |
| JPS59115625A (ja) * | 1982-12-22 | 1984-07-04 | Nec Corp | 音声検出器 |
| EP0127718B1 (fr) * | 1983-06-07 | 1987-03-18 | International Business Machines Corporation | Procédé de détection d'activité dans un système de transmission de la voix |
| JPS6196817A (ja) * | 1984-10-17 | 1986-05-15 | Sharp Corp | フイルタ− |
-
1989
- 1989-03-10 IE IE77489A patent/IE61863B1/en not_active IP Right Cessation
- 1989-03-10 PT PT89978A patent/PT89978B/pt not_active IP Right Cessation
- 1989-03-10 NZ NZ228290A patent/NZ228290A/en unknown
- 1989-03-10 ES ES93200015T patent/ES2188588T3/es not_active Expired - Lifetime
- 1989-03-10 DE DE68929442T patent/DE68929442T2/de not_active Expired - Lifetime
- 1989-03-10 AU AU33554/89A patent/AU608432B2/en not_active Expired
- 1989-03-10 KR KR1019890702099A patent/KR0161258B1/ko not_active IP Right Cessation
- 1989-03-10 DE DE68910859T patent/DE68910859T2/de not_active Expired - Lifetime
- 1989-03-10 JP JP50377289A patent/JP3321156B2/ja not_active Expired - Lifetime
- 1989-03-10 ES ES89302422T patent/ES2047664T3/es not_active Expired - Lifetime
- 1989-03-10 EP EP93200015A patent/EP0548054B1/en not_active Expired - Lifetime
- 1989-03-10 BR BR898907308A patent/BR8907308A/pt not_active IP Right Cessation
- 1989-03-10 WO PCT/GB1989/000247 patent/WO1989008910A1/en active IP Right Grant
- 1989-03-10 EP EP89302422A patent/EP0335521B1/en not_active Expired - Lifetime
- 1989-03-10 CA CA000593386A patent/CA1335003C/en not_active Expired - Lifetime
-
1990
- 1990-09-07 DK DK199002156A patent/DK175478B1/da not_active IP Right Cessation
- 1990-09-07 FI FI904410A patent/FI110726B/fi not_active IP Right Cessation
- 1990-09-10 NO NO903936A patent/NO304858B1/no not_active IP Right Cessation
-
1996
- 1996-07-25 HK HK135896A patent/HK135896A/xx not_active IP Right Cessation
-
1998
- 1998-06-04 NO NO982568A patent/NO316610B1/no not_active IP Right Cessation
-
1999
- 1999-11-18 JP JP32819899A patent/JP3423906B2/ja not_active Expired - Lifetime
-
2001
- 2001-05-04 FI FI20010933A patent/FI115328B/fi not_active IP Right Cessation
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK1K | Patent expired |